1.ISO quality certification 2.Fifteen years' experience 3.Prompt delivery Tianjin RDRJ Mechanical Equipment Sales ... exporter of various types of bearings including tapered roller bearing, spherical roller bearing and cylindrical roller bearing as per international standard specifications since 1995 ... market most of world famous brand bearings, such as SKF, FAG, NSK, INA, TIMKEN, NTN, NACHI, KOYO, IKO ...